Merge -c 1238987 from trunk to branch-0.23 to fix MAPREDUCE-3762. Fixed default CapacityScheduler configs.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1238989 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -588,6 +588,9 @@ Release 0.23.1 - Unreleased
     MAPREDUCE-3749. ConcurrentModificationException in counter groups.
     (tomwhite)
 
+    MAPREDUCE-3762. Fixed default CapacityScheduler configs. (mahadev via
+    acmurthy) 
+
 Release 0.23.0 - 2011-11-01 
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/resources/capacity-scheduler.xml

@@ -53,9 +53,9 @@
 
   <property>
     <name>yarn.scheduler.capacity.root.default.maximum-capacity</name>
-    <value>-1</value>
+    <value>100</value>
     <description>
-      The maximum capacity of the default queue. A value of -1 disables this.
+      The maximum capacity of the default queue. 
     </description>
   </property>